8107072989 has 16 divisors (see below), whose sum is σ = 11184585600. Its totient is φ = 5217218496.

The previous prime is 8107072979. The next prime is 8107073011. The reversal of 8107072989 is 9892707018.

It is not a de Polignac number, because 8107072989 - 2⁵ = 8107072957 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8107072979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621072 + ... + 633990.

It is an arithmetic number, because the mean of its divisors is an integer number (699036600).

Almost surely, 2^8107072989 is an apocalyptic number.

It is an amenable number.

8107072989 is a deficient number, since it is larger than the sum of its proper divisors (3077512611).

8107072989 is a wasteful number, since it uses less digits than its factorization.

8107072989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20164.

The product of its (nonzero) digits is 508032, while the sum is 51.

The square root of 8107072989 is about 90039.2858090289. The cubic root of 8107072989 is about 2008.8832347376.

The spelling of 8107072989 in words is "eight billion, one hundred seven million, seventy-two thousand, nine hundred eighty-nine".